61507477367 has 16 divisors (see below), whose sum is σ = 70961147712. Its totient is φ = 52221120000.

The previous prime is 61507477333. The next prime is 61507477439. The reversal of 61507477367 is 76377470516.

It is a happy number.

It is not a de Polignac number, because 61507477367 - 2⁶ = 61507477303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61507473367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1271117 + ... + 1318617.

It is an arithmetic number, because the mean of its divisors is an integer number (4435071732).

Almost surely, 2^61507477367 is an apocalyptic number.

61507477367 is a deficient number, since it is larger than the sum of its proper divisors (9453670345).

61507477367 is a wasteful number, since it uses less digits than its factorization.

61507477367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49258.

The product of its (nonzero) digits is 5186160, while the sum is 53.

The spelling of 61507477367 in words is "sixty-one billion, five hundred seven million, four hundred seventy-seven thousand, three hundred sixty-seven".